body {
    font-family: -apple-system, BlinkMacSystemFont, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    -webkit-touch-callout: none !important; /*当触摸并按住触摸目标时，禁止系统默认菜单。*/
}
body,
html,
h3,
p,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
h7 {
    margin: 0;
    padding: 0;
}

i {
    font-style: normal;
    cursor: pointer;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.dn {
    display: none;
}

input[type=file] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
}

.centerBox {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%)
}

button {
    display: block;
    border: none;
    outline: none;
    margin-top: 20px;
    font-size: 14px;
    font-family: DFPYuanW7-GB;
    font-weight: bold;
    color: #FFFFFF;
}

.clearfix:after {
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}

.clearfix {
    zoom: 1
}

.flexBoxCol {
    /* 元素垂直 用来居中的弹性盒子 因为其最外层的盒子会隐藏元素*/
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.flexBoxRow {
    /*元素水平 用来居中的弹性盒子 因为其最外层的盒子会隐藏元素*/
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}
.centerBox{
    /* 居中盒子 */
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}